fix: scaffold CLAUDE.md uses active wizard instruction

Change from passive "call wizard_status to check progress" to active
"On your first conversation, call wizard_status" with IMPORTANT prefix.
Without the direct instruction, Claude ignores the wizard tools.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/src/io/fs/scaffold.rs

@@ -59,9 +59,11 @@ parallel calls work fine.\n\
 \n\
 Read .storkit/README.md to see our dev process.\n\
 \n\
-This project uses storkit for development workflow management. MCP tools are \
-available via .mcp.json. If the setup wizard has not been completed, call \
-`wizard_status` to check progress and `wizard_generate` to continue setup.\n";
+IMPORTANT: This project uses storkit for development workflow management. \
+On your first conversation, call the `wizard_status` MCP tool to check if \
+project setup is complete. If it is not complete, guide the user through \
+the remaining wizard steps using `wizard_generate`, `wizard_confirm`, \
+`wizard_skip`, and `wizard_retry`.\n";
 
 const STORY_KIT_CLAUDE_SETTINGS: &str = r#"{
   "permissions": {